"I've had this problem with my hand and I'm having stem cell treatment on it," Iommi continues. "I have to wear a guard on my hand to prevent me from banging it. But it's coming along good.
"The cartilage went out on the joints, so the joints were rubbing on the joints. It was bone on bone and it was getting a bit painful. I've had pain for about 18 months and have been taking anti-inflammatories and pain killers. But I wanted to stop doing it because it upsets your stomach. This is the latest thing, so we'll see if it works."
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